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| author | Eduardo Habkost <ehabkost@redhat.com> | 2008-12-05 20:36:45 (GMT) |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-12-31 14:55:44 (GMT) |
| commit | e93353c93a3ba4215633ce930784f40a4e94e3f9 (patch) | |
| tree | adb847a71fa51c70b968573d4d5de58d27ca1f9a | |
| parent | ad218f85e388e8ca816ff09d91c246cd014c53a8 (diff) | |
| download | linux-e93353c93a3ba4215633ce930784f40a4e94e3f9.tar.xz | |
x86: KVM guest: kvm_get_tsc_khz: return khz, not lpj
kvm_get_tsc_khz() currently returns the previously-calculated preset_lpj
value, but it is in loops-per-jiffy, not kHz. The current code works
correctly only when HZ=1000.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
| -rw-r--r-- | arch/x86/kernel/kvmclock.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index b38e801..652fce6d 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -89,17 +89,17 @@ static cycle_t kvm_clock_read(void) */ static unsigned long kvm_get_tsc_khz(void) { - return preset_lpj; + struct pvclock_vcpu_time_info *src; + src = &per_cpu(hv_clock, 0); + return pvclock_tsc_khz(src); } static void kvm_get_preset_lpj(void) { - struct pvclock_vcpu_time_info *src; unsigned long khz; u64 lpj; - src = &per_cpu(hv_clock, 0); - khz = pvclock_tsc_khz(src); + khz = kvm_get_tsc_khz(); lpj = ((u64)khz * 1000); do_div(lpj, HZ); |